Journal Article

<i>Borrelia burgdorferi</i> possesses a collagenolytic activity

Dennis J. Grab, Richard Kennedy and Mario T. Philipp

in FEMS Microbiology Letters

Volume 144, issue 1, pages 39-45
Published in print October 1996 |
Published online January 2006 | e-ISSN: 1574-6968 | DOI:

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Lyme disease is a multisystemic disorder caused by Borrelia burgdorferi, an invasive spirochete. B. burgdorferi has a predilection for collagenous tissue and one major clinical manifestation of the disease is arthritis. We have identified a collagenolytic activity in B. burgdorferi detergent lysates using iodinated gelatin as well as iodinated pepsinized human collagen types II and IV as protein substrates. In addition, we describe several proteolytic activities in B. burgdorferi with molecular masses greater than 200 kDa on sodium dodecyl sulfate polyacrylamide gels containing copolymerized gelatin. We propose that the collagenolytic activity of B. burgdorferi has a role in invasion, in the pathogenesis of Lyme arthritis, and perhaps also in other manifestations of Lyme borreliosis.

Keywords: Borrelia burgdorferi; Lyme disease; Collagenolysis

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